Hyundai Accent: Heated Oxygen Sensor (HO2S). Description and Operation

Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.

The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.

Installation

• Install the component with the specified torques. • ...

Heated Oxygen Sensor (HO2S). Specifications

Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2 ...

See also:

Remote keyless entry
Remote keyless entry system operations Lock (1) All doors are locked if the lock button is pressed. If all doors, trunk and hood are closed, the hazard warning lights will blink once to indicate ...

Troubleshooting
Troubleshooting Symptom Suspected area Repairment Pressing power switch does not turn on system Radio receiver power source circuit ...

Side Body C ( 5Door )
Front side member tooling hole (Ø12) Fender apron upper reinforcement tooling hole (Ø7) ...